ClassID:

215479

H01S3/0672 - CPC Classification

Classification description:

Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range; Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium; Construction or shape of active medium; Waveguide lasers, i.e. whereby the dimensions of the waveguide are of the order of the light wavelength; Fibre lasers; Constructional details of the fibre, e.g. compositions, cross-section, shape or tapering Non-uniform radial doping

Recent Application in this class:
#1
20250350083
2025-11-13

SIDE-COUPLED ACTIVE AND PASSIVE WAVEGUIDES WITH EMBEDDED ELEMENTS FOR IMPROVED LIGHT ABSORPTION

#2
20230038367
2023-02-09

Systems and methods to increase pump conversion efficiency of an optical fiber

#3
20220190545
2022-06-16

TANDEM PUMPED FIBER AMPLIFIER

#4
20220190543
2022-06-16

Active element added-optical fiber, resonator, and fiber laser device

#5
20220181835
2022-06-09

TANDEM PUMPED FIBER AMPLIFIER

#6
20210296841
2021-09-23

MULTIMODE WAVE GUIDE CONFIGURED TO GENERATE A SINGLE-MODE RADIATION FROM A SINGLE-MODE RADIATION

#7
20210257803
2021-08-19

Optical amplifier, optical transmission system, and optical cable failure part measurement method

#8
20210242655
2021-08-05

OPTICAL FIBER AMPLIFIER

#9
20210088716
2021-03-25

Optical element and associated manufacturing method

#10
20200028314
2020-01-23

Amplification optical fiber, fiber laser device, and optical resonator

#11
20190288474
2019-09-19

LMA fibers for suppression of thermal mode instability

#12
20190199050
2019-06-27

Method and apparatus for ensuring a uniform temperature profile in ribbon fiber lasers and amplifiers

#13
20190181606
2019-06-13

Mode-locked fiber laser device

#14
20190109430
2019-04-11

Optical fiber for light amplification having a core with low bend loss and end features with high bend loss and related method

#15
20190097377
2019-03-28

Tandem pumped fiber amplifier

#16
20180342846
2018-11-29

Raman amplifier pumped with residual power in an optical communication system

#17
20180109064
2018-04-19

Tandem pumped fiber amplifier

#18
20170054266
2017-02-23

Amplification optical fiber and optical fiber amplifier

#19
20160268757
2016-09-15

Optical fiber for amplification and optical fiber amplifier using the same

#20
20160268756
2016-09-15

Suppression of stimulated Brillouin scattering in higher-order-mode optical fiber amplifiers

#21
20160043525
2016-02-11

Amplification optical fiber and fiber laser device using the same

#22
20150117473
2015-04-30

Method and apparatus for high-power raman beam-combining in a multimode optical fiber

#23
20150110452
2015-04-23

Barbell optical fiber and method of making the same

#24
20140314372
2014-10-23

Suppression of stimulated brillouin scattering in higher-order-mode optical fiber amplifiers

#25
20140063594
2014-03-06

Optical fiber amplifier including rare-earth-doped cladding region

#26
20130188660
2013-07-25

Short pulsed IR fiber laser at wavelength > 2 μm

#27
20130101261
2013-04-25

Radiation-resistant rare-earth-doped optical fiber and method of radiation-hardening a rare-earth-doped optical fiber

#28
20130034326
2013-02-07

Single mode high power fiber laser system

#29
20130011109
2013-01-10

Apparatus and method for mode control in a semi-guiding amplifier medium

#30
20120327962
2012-12-27

System and method for suppressing parasitics in an optical device

#31
20120287498
2012-11-15

Optical source implementing a doped fiber, fiber for such an optical source and method for manufacturing such a fiber

#32
20120269209
2012-10-25

Single mode high power fiber laser system

#33
20120105947
2012-05-03

Amplification optical fiber and optical fiber amplifier and resonator using the same

#34
20120105946
2012-05-03

Compensation of thermally induced refractive index distortions in an optical gain medium or other optical element

#35
20110249321
2011-10-13

Signal and pump mode-field adaptor for double-clad fibers and associated method

#36
20110249320
2011-10-13

High beam quality and high average power from large-core-size optical-fiber amplifiers

#37
20110228382
2011-09-22

Cladding-pumped optical waveguide

#38
20110149383
2011-06-23

Amplification optical fiber, and optical fiber amplifier and resonator using the same

#39
20110142083
2011-06-16

Ytterbium-doped optical fiber, fiber laser and fiber amplifier

#40
20110064097
2011-03-17

Single-mode high power multimode fiber laser system

#41
20110064095
2011-03-17

Single-mode high-power fiber laser system

#42
20100316331
2010-12-16

Optical devices including resonant cavity structures

#43
20100238538
2010-09-23

Optical fiber amplifier and methods of making the same

#44
20100221012
2010-09-02

Burst mode rare earth-doped fiber amplifier

#45
20100189401
2010-07-29

Apparatus and method for mode control in a semi-guiding amplifier medium

#46
20100189137
2010-07-29

Optical device and method of controlling a refractive index profile in the optical device

#47
20100103959
2010-04-29

Selectively pumping a gain-doped region of an optical fiber

#48
20100046898
2010-02-25

Large mode area fiber amplifiers with reduced stimulated brillouin scattering

#49
20100034500
2010-02-11

Sequentially increasing effective area in higher-order mode (HOM) Signal Propagation

#50
20100027938
2010-02-04

Pumping in a Higher-Order Mode That is Substantially Identical To a Signal Mode

#51
20100008664
2010-01-14

Preventing dielectric breakdown in optical fibers

#52
20100008633
2010-01-14

Segmented gain-doping of an optical fiber

#53
20100002992
2010-01-07

Pumping in a higher-order mode that is different from a signal mode

#54
20090316732
2009-12-24

FIBER OPTIC POWER LASER DEVICE

#55
20090262416
2009-10-22

CASCADE LASER

#56
20090238216
2009-09-24

Rare-earth doped optical fiber, method of producing the same, and fiber laser

#57
20090154503
2009-06-18

All-fiber mode selection technique for multicore fiber laser devices

#58
20090116800
2009-05-07

Large mode area fiber amplifiers with reduced stimulated brillouin scattering

#59
20090080472
2009-03-26

Optical fiber for an optical fiber laser, method for fabricating the same, and optical fiber laser

#60
20090041064
2009-02-12

Higher Order Mode Optical Fiber Laser or Amplifier

#61
20080239471
2008-10-02

Optical module and processing method

#62
20080056659
2008-03-06

Doped-ring amplifying optical fiber, and an amplifier containing such a fiber

#63
20080002251
2008-01-03

Optical module and optical amplification module

#64
20070206900
2007-09-06

Ring core fiber

#65
20070041084
2007-02-22

Optical amplifier using delayed phase matching fiber

#66
20060098694
2006-05-11

Optical fiber for fiber laser, fiber laser, and laser oscillation method

#67
20060088261
2006-04-27

Rare earth doped single polarization double clad optical fiber and a method for making such fiber

#68
20050179992
2005-08-18

Optical amplifier using delayed phase matching fiber

#69
20050163449
2005-07-28

Optical fiber for amplification or for laser emission

#70
20050123007
2005-06-09

Multimode raman fiber device with mode discrimination